Bump zendframework/zend-hydrator from 2.3.1 to 2.4.1

Bumps [zendframework/zend-hydrator](https://github.com/zendframework/zend-hydrator) from 2.3.1 to 2.4.1.
- [Release notes](https://github.com/zendframework/zend-hydrator/releases)
- [Changelog](https://github.com/zendframework/zend-hydrator/blob/master/CHANGELOG.md)
- [Commits](zendframework/zend-hydrator@2.3.1...2.4.1)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Author: dependabot-support